[INFO] cloning repository https://github.com/outamaa/vekotin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/outamaa/vekotin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foutamaa%2Fvekotin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foutamaa%2Fvekotin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b42f78ce2025a7a3003062a115dd5ce0f29b7747
[INFO] checking outamaa/vekotin against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foutamaa%2Fvekotin" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/outamaa/vekotin on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/outamaa/vekotin
[INFO] finished tweaking git repo https://github.com/outamaa/vekotin
[INFO] tweaked toml for git repo https://github.com/outamaa/vekotin written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/outamaa/vekotin already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded emscripten_main_loop v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfb487f57b90700e94712857544292a15bbb336ed3539a4471fb746a81ca93a9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bfb487f57b90700e94712857544292a15bbb336ed3539a4471fb746a81ca93a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfb487f57b90700e94712857544292a15bbb336ed3539a4471fb746a81ca93a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfb487f57b90700e94712857544292a15bbb336ed3539a4471fb746a81ca93a9", kill_on_drop: false }`
[INFO] [stdout] bfb487f57b90700e94712857544292a15bbb336ed3539a4471fb746a81ca93a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f58b1665b265287b4d72c34192b48b6c17050c3910765d4e664730948dbaa11c
[INFO] running `Command { std: "docker" "start" "-a" "f58b1665b265287b4d72c34192b48b6c17050c3910765d4e664730948dbaa11c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking emscripten_main_loop v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling sdl2-sys v0.34.3
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]    Compiling sdl2 v0.34.3
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]    Compiling gl v0.14.0
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking vekotin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LineSegment`
[INFO] [stdout]  --> src/gfx/cpu/mod.rs:1:37
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::geometry::line_segment::{LineSegment, LineSegment2i};
[INFO] [stdout]   |                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Texture`
[INFO] [stdout]  --> src/gfx/cpu/mod.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 | use sdl2::render::{Canvas, Texture};
[INFO] [stdout]   |                            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bail`
[INFO] [stdout]  --> src/loader/obj.rs:2:22
[INFO] [stdout]   |
[INFO] [stdout] 2 | use anyhow::{anyhow, bail, Result};
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::SplitWhitespace`
[INFO] [stdout]  --> src/loader/obj.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::str::SplitWhitespace;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LineSegment`
[INFO] [stdout]  --> src/gfx/cpu/mod.rs:1:37
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::geometry::line_segment::{LineSegment, LineSegment2i};
[INFO] [stdout]   |                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Texture`
[INFO] [stdout]  --> src/gfx/cpu/mod.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 | use sdl2::render::{Canvas, Texture};
[INFO] [stdout]   |                            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bail`
[INFO] [stdout]  --> src/loader/obj.rs:2:22
[INFO] [stdout]   |
[INFO] [stdout] 2 | use anyhow::{anyhow, bail, Result};
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::SplitWhitespace`
[INFO] [stdout]  --> src/loader/obj.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::str::SplitWhitespace;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/loader/obj.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 123 |     mut elements: T, // ["1/2/3", "2/3/4", ...]
[INFO] [stdout]     |     ----^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Fiddler`
[INFO] [stdout]    --> src/fiddling/mod.rs:128:8
[INFO] [stdout]     |
[INFO] [stdout] 128 | struct Fiddler {}
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/gfx/cpu/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     canvas.draw_point(Point::new(x, y));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/loader/obj.rs:130:17
[INFO] [stdout]     |
[INFO] [stdout] 130 |                 v.as_mut().map(|v| v.push(triple));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/loader/obj.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 123 |     mut elements: T, // ["1/2/3", "2/3/4", ...]
[INFO] [stdout]     |     ----^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Color`
[INFO] [stdout]  --> examples/png.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use sdl2::pixels::{Color, PixelFormatEnum};
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LineSegment2i`, `LineSegment`
[INFO] [stdout]  --> examples/png.rs:7:39
[INFO] [stdout]   |
[INFO] [stdout] 7 | use vekotin::geometry::line_segment::{LineSegment, LineSegment2i};
[INFO] [stdout]   |                                       ^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vekotin::geometry::Point2i`
[INFO] [stdout]  --> examples/png.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use vekotin::geometry::Point2i;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vekotin::gfx`
[INFO] [stdout]  --> examples/png.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use vekotin::gfx;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Fiddler`
[INFO] [stdout]    --> src/fiddling/mod.rs:128:8
[INFO] [stdout]     |
[INFO] [stdout] 128 | struct Fiddler {}
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bail`
[INFO] [stdout]  --> examples/obj.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use anyhow::{bail, Result};
[INFO] [stdout]   |              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PixelFormatEnum`
[INFO] [stdout]  --> examples/obj.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 | use sdl2::pixels::{Color, PixelFormatEnum};
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BlendMode`
[INFO] [stdout]  --> examples/obj.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use sdl2::render::{BlendMode, Canvas};
[INFO] [stdout]   |                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LineSegment`
[INFO] [stdout]  --> examples/obj.rs:7:39
[INFO] [stdout]   |
[INFO] [stdout] 7 | use vekotin::geometry::line_segment::{LineSegment, LineSegment2i};
[INFO] [stdout]   |                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/gfx/cpu/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     canvas.draw_point(Point::new(x, y));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/loader/obj.rs:130:17
[INFO] [stdout]     |
[INFO] [stdout] 130 |                 v.as_mut().map(|v| v.push(triple));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.23s
[INFO] running `Command { std: "docker" "inspect" "f58b1665b265287b4d72c34192b48b6c17050c3910765d4e664730948dbaa11c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f58b1665b265287b4d72c34192b48b6c17050c3910765d4e664730948dbaa11c", kill_on_drop: false }`
[INFO] [stdout] f58b1665b265287b4d72c34192b48b6c17050c3910765d4e664730948dbaa11c